diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-02-04 15:23:10 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2013-02-04 15:23:10 +0000 |
commit | c279470c06c135961bd60905e755ab4b06c10229 (patch) | |
tree | 2228db80941708e1ce07a929ea9fc9096806d27a /target/linux/coldfire/patches/100-kernel-2.6.38-Fix-FEC-driver-bugs-for-MCF547x-MCF548x.patch | |
parent | df7b7e61854c0e0da9e75b4a678f0e3b196f79ea (diff) |
coldfire: R.I.P.
The target still uses 2.6.38. The support of that
kernel version has been removed ~9 months ago.
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35489 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/coldfire/patches/100-kernel-2.6.38-Fix-FEC-driver-bugs-for-MCF547x-MCF548x.patch')
-rw-r--r-- | target/linux/coldfire/patches/100-kernel-2.6.38-Fix-FEC-driver-bugs-for-MCF547x-MCF548x.patch | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/target/linux/coldfire/patches/100-kernel-2.6.38-Fix-FEC-driver-bugs-for-MCF547x-MCF548x.patch b/target/linux/coldfire/patches/100-kernel-2.6.38-Fix-FEC-driver-bugs-for-MCF547x-MCF548x.patch deleted file mode 100644 index e7696e29d..000000000 --- a/target/linux/coldfire/patches/100-kernel-2.6.38-Fix-FEC-driver-bugs-for-MCF547x-MCF548x.patch +++ /dev/null @@ -1,180 +0,0 @@ -From 92b8d976e58fe5e6eb97aedcaa46e80c924fbc04 Mon Sep 17 00:00:00 2001 -From: Wang Huan <wanghuan@zch06.freescale.net> -Date: Mon, 5 Sep 2011 08:59:46 +0800 -Subject: [PATCH] Fix FEC driver bugs for MCF547x/MCF548x - -This patch fixed kernel panic during flood ping with huge packets. -It also fixed the data integrity errors when running iozone on an -NFSv3-mounted file system. - -Signed-off-by: Jason Jin <jason.jin@freescale.com> ---- - arch/m68k/include/asm/cf_548x_cacheflush.h | 45 ++++++++++++++++++++++++--- - drivers/net/fec_m547x.c | 18 +++++----- - 2 files changed, 49 insertions(+), 14 deletions(-) - ---- a/arch/m68k/include/asm/cf_548x_cacheflush.h -+++ b/arch/m68k/include/asm/cf_548x_cacheflush.h -@@ -27,8 +27,8 @@ - unsigned long end_set; \ - \ - start_set = 0; \ -- end_set = (unsigned long)LAST_DCACHE_ADDR; \ -- \ -+ end_set = (unsigned long)LAST_ICACHE_ADDR; \ -+ asm("nop"); \ - for (set = start_set; set <= end_set; set += (0x10 - 3)) {\ - asm volatile("cpushl %%ic,(%0)\n" \ - "\taddq%.l #1,%0\n" \ -@@ -48,7 +48,7 @@ - \ - start_set = 0; \ - end_set = (unsigned long)LAST_DCACHE_ADDR; \ -- \ -+ asm("nop"); \ - for (set = start_set; set <= end_set; set += (0x10 - 3)) { \ - asm volatile("cpushl %%dc,(%0)\n" \ - "\taddq%.l #1,%0\n" \ -@@ -68,7 +68,7 @@ - \ - start_set = 0; \ - end_set = (unsigned long)LAST_DCACHE_ADDR; \ -- \ -+ asm("nop"); \ - for (set = start_set; set <= end_set; set += (0x10 - 3)) { \ - asm volatile("cpushl %%bc,(%0)\n" \ - "\taddq%.l #1,%0\n" \ -@@ -240,12 +240,47 @@ extern inline void flush_icache_range(un - } - } - -+static inline void flush_dcache_range(unsigned long address, -+ unsigned long endaddr) -+{ -+ unsigned long set; -+ unsigned long start_set; -+ unsigned long end_set; -+ -+ start_set = address & _DCACHE_SET_MASK; -+ end_set = endaddr & _DCACHE_SET_MASK; -+ -+ if (start_set > end_set) { -+ /* from the begining to the lowest address */ -+ for (set = 0; set <= end_set; set += (0x10 - 3)) { -+ asm volatile("cpushl %%dc,(%0)\n" -+ "\taddq%.l #1,%0\n" -+ "\tcpushl %%dc,(%0)\n" -+ "\taddq%.l #1,%0\n" -+ "\tcpushl %%dc,(%0)\n" -+ "\taddq%.l #1,%0\n" -+ "\tcpushl %%dc,(%0)" : "=a" (set) : "a" (set)); -+ } -+ /* next loop will finish the cache ie pass the hole */ -+ end_set = LAST_ICACHE_ADDR; -+ } -+ for (set = start_set; set <= end_set; set += (0x10 - 3)) { -+ asm volatile("cpushl %%dc,(%0)\n" -+ "\taddq%.l #1,%0\n" -+ "\tcpushl %%dc,(%0)\n" -+ "\taddq%.l #1,%0\n" -+ "\tcpushl %%dc,(%0)\n" -+ "\taddq%.l #1,%0\n" -+ "\tcpushl %%dc,(%0)" : "=a" (set) : "a" (set)); -+ } -+} -+ - static inline void copy_to_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, - void *dst, void *src, int len) - { - memcpy(dst, src, len); -- flush_icache_user_page(vma, page, vaddr, len); -+ flush_dcache(); - } - static inline void copy_from_user_page(struct vm_area_struct *vma, - struct page *page, unsigned long vaddr, ---- a/drivers/net/fec_m547x.c -+++ b/drivers/net/fec_m547x.c -@@ -34,7 +34,7 @@ - #include <asm/m5485sram.h> - #include <asm/virtconvert.h> - #include <asm/irq.h> -- -+#include <asm/cf_cacheflush.h> - #include "fec_m547x.h" - - #ifdef CONFIG_FEC_548x_ENABLE_FEC2 -@@ -97,7 +97,7 @@ static void fec_interrupt_fec_rx_handler - static irqreturn_t fec_interrupt_handler(int irq, void *dev_id); - static void fec_interrupt_fec_tx_handler_fec0(void); - static void fec_interrupt_fec_rx_handler_fec0(void); --static void fec_interrupt_fec_reinit(unsigned long data); -+static void fec_interrupt_fec_reinit(struct net_device *dev); - - /* default fec0 address */ - unsigned char fec_mac_addr_fec0[6] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x50 }; -@@ -145,6 +145,7 @@ static int coldfire_fec_mdio_read(struct - #ifdef CONFIG_FEC_548x_SHARED_PHY - unsigned long base_addr = (unsigned long)FEC_BASE_ADDR_FEC0; - #else -+ struct net_device *dev = bus->priv; - unsigned long base_addr = (unsigned long) dev->base_addr; - #endif - int tries = 100; -@@ -179,6 +180,7 @@ static int coldfire_fec_mdio_write(struc - #ifdef CONFIG_FEC_548x_SHARED_PHY - unsigned long base_addr = (unsigned long)FEC_BASE_ADDR_FEC0; - #else -+ struct net_device *dev = bus->priv; - unsigned long base_addr = (unsigned long) dev->base_addr; - #endif - int tries = 100; -@@ -394,9 +396,6 @@ static int mcf547x_fec_open(struct net_d - - dma_connect(channel, (int) fp->fecpriv_interrupt_fec_tx_handler); - -- /* init tasklet for controller reinitialization */ -- tasklet_init(&fp->fecpriv_tasklet_reinit, -- fec_interrupt_fec_reinit, (unsigned long) dev); - - /* Reset FIFOs */ - FEC_FECFRST(base_addr) |= FEC_SW_RST | FEC_RST_CTL; -@@ -790,6 +789,8 @@ static int mcf547x_fec_start_xmit(struct - - /* flush data cache before initializing - * the descriptor and starting DMA */ -+ flush_dcache_range(virt_to_phys(data_aligned), -+ virt_to_phys(data_aligned) + skb->len); - - spin_lock_irq(&fp->fecpriv_lock); - -@@ -1308,7 +1309,7 @@ irqreturn_t fec_interrupt_handler(int ir - netif_stop_queue(dev); - - /* execute reinitialization as tasklet */ -- tasklet_schedule(&fp->fecpriv_tasklet_reinit); -+ fec_interrupt_fec_reinit(dev); - - fp->fecpriv_stat.rx_dropped++; - } -@@ -1343,10 +1344,9 @@ irqreturn_t fec_interrupt_handler(int ir - * when controller must be reinitialized. - * - *************************************************************************/ --void fec_interrupt_fec_reinit(unsigned long data) -+void fec_interrupt_fec_reinit(struct net_device *dev) - { - int i; -- struct net_device *dev = (struct net_device *)data; - struct fec_priv *fp = netdev_priv(dev); - unsigned long base_addr = (unsigned long) dev->base_addr; - -@@ -1385,7 +1385,7 @@ void fec_interrupt_fec_reinit(unsigned l - fp->fecpriv_current_tx = fp->fecpriv_next_tx = 0; - - /* flush entire data cache before restarting the DMA */ -- -+ flush_dcache(); - /* restart DMA from beginning */ - MCD_startDma(fp->fecpriv_fec_rx_channel, - (char *) fp->fecpriv_rxdesc, 0, |